Browsing by Author "Saraydin, Dursun"
Now showing items 1-20 of 20
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Acrylamide-Sepiolite Based Composite Hydrogels for Immobilization of Invertase
Oztop, H. Nursevin; Hepokur, Ceylan; Saraydin, Dursun (WILEY, 2009)Novel composite hydrogels, poly(acrylamide)-sepiolite (PAS), poly(acrylamide/acrylic acid)-sepiolite (PAAS), and poly(acrylamide/itaconic acid)-sepiolite (PAIS) were prepared and used for the immobilization of invertase. ... -
Adsorption of phenazine dyes using poly(hydroxamic acid) hydrogels from aqueous solutions
Saraydin, Dursun; Isikver, Yasemin; Karadag, Erdener (WILEY, 2018)Swelling and adsorption properties of poly(hydroxamic acid), (PHA) hydrogels in aqueous solutions of some phenazine dyes such as Neutral Red, Safranin T, and Janus Green have been investigated. PHA hydrogels containing N,N ... -
The Effects of Monomers Used in Polymeric Biomaterials on Renal Tissue
Saraydin, Serpil Unver; Saraydin, Dursun; Inan, Zeynep Deniz Sahin; Kutlu, Berna Ozdenoglu (SOC CHILENA ANATOMIA, 2017)Biomaterials are mostly polymers and are used in artificial organ production in contemporary medicine. They are prepared by the polymerization reaction of many monomers. There are many monomers used in biomaterial production. ... -
Environmentally Sensitive Hydrogels: N-isopropyl acrylamide/Acrylamide/Mono-, Di-, Tricarboxylic Acid Crosslinked Polymers
Isikver, Yasemin; Saraydin, Dursun (WILEY-BLACKWELL, 2015)Environmentally sensitive hydrogels responsive to various stimuli such as temperature, pH, ionic strength of the medium and the solvent were prepared by using N-isopropyl acrylamide (NIPAM), acrylamide (AAm) and monomers ... -
Evaluation of the Cytotoxic effects of various monomers In vitro also their effects on Apoptosis and GFAP immunolocalization in rat spinal cord In vivo
Saraydin, Serpil Unver; Bulut, H. Eray; Ozum, Unal; Inan, Z. Deniz Sahin; Polat, Zubeyde Akin; Yalman, Yucel; Saraydin, Dursun (DRUNPP-SARAJEVO, 2011)Biomaterials are mostly polymers made by monomers, and are used in artificial organ production in contemporary medicine. They are prepared by the polimerization reaction of certain monomers. The aim of the present study ... -
Full Factorial Design Approach to Hg(II) Adsorption onto Hydrogels
Bingol, Deniz; Saraydin, Dursun; Ozbay, Dilek Solpan (SPRINGER HEIDELBERG, 2015)A 2(4) factorial design was used to evaluate the quantitative adsorption of Hg(II) ions in an aqueous solution onto radiation crosslinked poly(acrylic acid/acrylamide) hydrogels. The influence on the binding ratio (r) of ... -
Immobilization of catalase onto chitosan and cibacron blue F3GA attached chitosan beads
Cetinus, Senay Akkus; Oztop, H. Nursevin; Saraydin, Dursun (ELSEVIER SCIENCE INC, 2007)In this study, chitosan beads (Ch-bead) and cibacron blue F3GA attached chitosan beads (CB-Ch-bead) were prepared. Their characteristics were investigated with experiments of swelling, thermogravimetric analysis and Fourier ... -
In vitro swelling studies in simulated physiological solutions and biocompatibility of NIPAM-based hydrogels with some biochemical parameters of human sera
Isikver, Yasemin; Saraydin, Dursun; Aydin, Huseyin (TAYLOR & FRANCIS INC, 2017)In modern medicine, commonly used biomaterials originating from metals, ceramics and polymers have shown biocompatibility with blood, tissues, cells, etc., in the human body. Polymeric biomaterials are usually understood ... -
INFLUENCE OF CONCENTRATIONS OF METHACRYLATE AND ACRYLATE MONOMERS ON THE PROPERTIES OF FIBER REINFORCED POLYMETHYL METHACRYLATE DENTURE BASE MATERIALS
Tugut, Faik; Turgut, Mehmet; Saraydin, Dursun (DE GRUYTER POLAND SP ZOO, 2018)The study aimed to evaluate the effects of adding different concentrations of 2 hydroxyethyl methacrylate (HEMA), 2-hydroxyethyl acrylate (HEA), ethyl methacrylate (EA) and isobutyl methacrylate (IBMA) monomers on the ... -
Interpenetrating polymeric network hydrogels for potential gastrointestinal drug release
Ekici, Sema; Saraydin, Dursun (JOHN WILEY & SONS LTD, 2007)New interpenetrating polymeric network (IPN) hydrogels based on chitosan (C), poly(N-vinyl pyrrolidone) (PVP) and poly(acrylic acid) (PAAc), crosslinked with glutaraldchyde (G) and N,N'-methylenebisacrylamide (MBA), were ... -
Poly(acrylamide-sepiolite) composite hydrogels: Preparation, swelling and dye adsorption properties
Ekici, Sema; Isikver, Yasemin; Saraydin, Dursun (SPRINGER, 2006)Polymer-clay hydrogel composite was prepared on the basis of polyacrylamide (PAAm) gel containing the clay mineral sepiolite. The properties of swelling and dye adsorption of poly(acrylamide-sepiolite) (AAm/Sep) composite ... -
Poly(acrylamide/maleic acid)-sepiolite composite hydrogels for immobilization of invertase
Oztop, H. Nursevin; Hepokur, Ceylan; Saraydin, Dursun (SPRINGER, 2010)Poly(acrylamide/maleic acid) and sepiolite (PAMS) composite hydrogel was prepared and used for the immobilization of invertase. In FTIR analysis, the characteristic bands of composite such as -OH, -COOH, Si-OH show the ... -
Polyelectrolyte CASA hydrogels for uptake of uranyl ions from aqueous solutions
Karadag, Erdener; Uzum, Omer Baris; Kundakci, Semiha; Saraydin, Dursun (JOHN WILEY & SONS INC, 2007)In this study, uranyl ion adsorption from aqueous solutions has been investigated by chemically crosslinked acrylamide/sodium acrylate (CASA) hydrogels. Adsorption studies were investigated by the spectroscopic method. ... -
Preparation of Cu(II) adsorbed chitosan beads for catalase immobilization
Cetinus, Senay Akkus; Sahin, Ebru; Saraydin, Dursun (ELSEVIER SCI LTD, 2009)Glutaraldehyde pretreated crosslinked chitosan beads (Ch) were used for Cu(II) adsorption (Cu-Ch). The amount of adsorbed copper was determined using atomic absorption spectroscopy. Adsorption of the copper onto the chitosan ... -
THE PROPERTIES OF IMMOBILIZED INVERTASE ONTO A NEW SUPPORT MATERIAL; POLY(METHACRYLAMIDE/MALEIC ACID) COPOLYMERIC HYDROGEL
Oztop, Hesna Nursevin; Catmaz, Fatma Banu; Saraydin, Dursun (DE GRUYTER POLAND SP ZOO, 2018)Poly (methacrylamide / maleic acid) PM/MA and poly (methacrylamide) PM hydrogels were prepared aiming to be used as a support for invertase. Spectrophotometric, thermal analysis methods, swelling and diffusion experiments ... -
Radiation-Induced Acrylamide/4-Vinyl Pyridine Biocidal Hydrogels: Synthesis, Characterization, and Antimicrobial Activities
Arslan, Murat; Saraydin, Dursun; Oztop, A. Yasemin; Sahiner, Nurettin (TAYLOR & FRANCIS INC, 2017)Acrylamide/4-vinyl pyridine hydrogels were synthesized by radiation polymerization technique using a -irradiator. The prepared radiation-synthesized acrylamide/4-vinyl pyridine hydrogels were then treated using a modifying ... -
Radiation-Synthesized Acrylamide/Crotonic Acid Hydrogels for Selective Mercury (II) Ion Adsorption
Saraydin, Dursun; Yildirim, Ebru Sahin; Karadag, Erdener; Guven, Olgun (WILEY, 2018)In this study, swelling and selective mercury adsorption behavior of novel radiation cross-linked acrylamide/crotonic acid (AAm/CA) copolymers have been investigated in aqueous mercury (II) ion solutions. Swelling experiments ... -
The Removal of Textile Dyes with Cross-Linked Chitosan-Poly(acrylamide) Adsorbent Hydrogels
Ekici, Sema; Guntekin, Gamze; Saraydin, Dursun (TAYLOR & FRANCIS INC, 2011)This study examined the behaviors and mechanisms of chitosan (CS)-poly(acrylamide) (PAAM) full interpenetrating polymeric network (IPN) hydrogels as an adsorbent to remove EY-4GL and S-Blue textile dyes from an aqueous ... -
A Study on the Correlation Between Adsorption and Swelling for Poly(Hydroxamic Acid) Hydrogels-Triarylmethane Dyes Systems
Saraydin, Dursun; Isikver, Yasemin; Karadag, Erdener (SPRINGER/PLENUM PUBLISHERS, 2018)The influence of crosslinker and dye type on the swelling and adsorption characteristics of poly(hydroxamic acid) (PHA) hydrogels have been investigated. PHA hydrogels with crosslinker such as N,N'-methylenebisacrylamide ...